List of sirens built by Alerting Communicators of America

This article lists the outdoor warning sirens built by Alerting Communicators of America, Biersach & Niedermeyer Co., and American Signal Corporation.

Contents

B&N Co. sirens

Name Type Motor HP Years of Production Rotating or Omni Directional Notes
Mobil Directo Electro-Mechanical 25 (gas) 10 (electric) 1942-1952 (gas) 1952-1967 (electric) Rotating B&N Co.'s only siren made under their own name. Possible concept for the ACA Allertor 125

Alerting Communicators of America sirens

Name Type Motor HP Years of Production Rotating or Omni Directional Notes
Allertor 125 Electro-Mechanical 10 (some 15) 1968-1980's Rotating Design changed at least three times throughout production.
Cyclone 125 Electro-Mechanical 50 1968–1992 Omni Directional Started off as a 120dB siren, design changed in 1980 to become 125dB.
Hurricane 130 Electro-Mechanical (horn and blower) 30 1968-1973 (square horn) 1973-1980 (round horn) Rotating Started off as 25HP with a square horn, redesigned to 30 HP with round exponential horn. Round horned version commonly known as 'MKII'.
Screamers Electro-Mechanical 2, 5, 7.5, 10 1968–1990 Omni Directional Series of small vertical sirens, comparable to Federal Signal Corporation's Vertical sirens from 1930's.
Banshee Electro-Mechanical 10, 15, 25 1968–1994 Omni Directional 25 HP was a dual head vertical siren nicknamed 'Super Banshee'.
Penetrators Electro-Mechanical 10, 15, 50 1980–1992 Rotating 10 and 15 HP models nearly the same, aside from motor used. P-50 was the loudest dual tone siren in the world.
Alertronic 4000 Electronic none 1980–1992 Omni Directional First non rotating electronic design by ACA.
Alertronic 5000 Electronic none 1980's Rotating Very short lived siren, replaced by the 6000.
Alertronic 6000 Electronic none 1980's to 1992 Rotating Replacement for the 5000. Came in 8 driver and 4 driver versions.
Performance + Penetrator Electro-Mechanical 7.5 1989 Rotating Made for Dane County, Wisconsin only.
PN20 Electro-Mechanical 20 1992 Rotating ACA's last known rotating siren. More commonly known as the RM-130 (see below).

American Signal Corporation sirens

Name Type Motor HP Years of Production Rotating or Omni Directional Notes
OM-120 Electro-Mechanical Unknown Unknown Omni Directional Very similar to the earlier ACA Banshee, but was higher pitched and with battery back up.
RM-127 Electro-Mechanical 15 1995–2000 Rotating The same as the single tone Penetrator 15 HP.
RM-130 Electro-Mechanical 20 1995–1999 Rotating The same as the earlier PN20.
RM 135 Electro-Mechanical 50 1995–2006 Rotating Continued from 1999 onwards as the T-135AC. The same as the earlier P-50. Exact date of discontinuation unknown.
C-125 Electro-Mechanical 50 1995–2006 Omni Directional The same as the Cyclone 125. Exact date of discontinuation unknown.
AL line Electronic Electronic 1995-current Omni Directional Similar to the Alertronic 4000, but now in different sizes.
RE-1600 Electronic Electronic 1995 Rotating Same as the ACA Alertronic 6000.
Tempest Series Electro-Mechanical Unknown 1998 Rotating (128 and 135)

Omni Directional (112 and 121)

Four sirens in this line up: T-112, T-121, T-128, and T-135 (also known as T-135 AC/DC).

'T-135 AC/DC' introduced around 2006.

Quadrant Electronic none 1990's Omni Directional Renamed the iForce after being redesigned in the early 2000s.
E-Class Electronic none 2000's Omni Directional Speakers can be arranged in whichever pattern is needed.

Photos

External links